InChI=1/C18H27N3O2/c1-3-21(4-2)13-16-8-6-5-7-14(16)11-20-18(23)15-9-10-17(22)19-12-15/h5-8,15H,3-4,9-13H2,1-2H3,(H,19,22)(H,20,23)/p+1/t15-/m1/s1/fC18H28N3O2/h19-21H/q+1 18C71C5C75D03330